To think or not to think that is the question?

Web Usability has always been about having a clean clear simple approach in creating a user-interface design that shouts you don't need to think to find what you want. But as the world of the web is evolving it is also challenging our perception on what makes a good website and some websites have started to push the boundaries.

The Webby-winning Adidas UK website is a classic example of this as it gives the viewer an experience and interaction that makes you never forget . There are a number of experimental UI designs that not only encourage web users to explore but to leave a lasting impression.